Mayor Airfhindan of Cuil Rathain

Mayor Airfhindan of Cuil Rathain (9 January 1039-), known as Airinjan of Coleraine in English, was the mayor of Cuil Rathain (Coleraine) in present-day County Londonderry, Northern Ireland under Tir Eoghain and Tyrconnell. In 1068, he became a vassal of Tyrconnell after Einri of Tir Chonaill conquered Tir Eoghain.